T. A. Ponomareva
Belgorod Regional Clinical Hospital of St Joasaph; Belgorod State University
Russian Federation

Tatyana A. Ponomareva, Postgraduate Student of the Department of Medical and Biological Disciplines, Belgorod State University; Obstetrician-Gynecologist, Belgorod Regional Clinical Hospital of St Joasaph

85, Pobedy St., Belgorod, 308007,

8/9, Nekrasov St., Belgorod, 308015

O. B. Altukhova
Belgorod Regional Clinical Hospital of St Joasaph Belgorod State University
Russian Federation

Oksana B. Altukhova, Dr. Sci. (Med.), Associate Professor, Head of the Department of Obstetrics and Gynecology, Belgorod State University; Head of the Department of Gynecology, Belgorod Regional Clinical Hospital of St Joasaph

85, Pobedy St., Belgorod, 308007,

8/9, Nekrasov St., Belgorod, 308015

I. V. Ponomarenko
Belgorod State University
Russian Federation

Irina V. Ponomarenko, Dr. Sci. (Med.), Associate Professor of the Department of Medical and Biological Disciplines

8/9, Nekrasov St., Belgorod, 308015

M. I. Churnosov
Belgorod State University
Russian Federation

Mikhail I. Churnosov, Dr. Sci. (Med.), Professor, Head of the Department of Medical and Biological Disciplines

8/9, Nekrasov St., Belgorod, 308015